Finding the Fourth Proportional to 124,751.80, 172,157.70 and 68,161.96
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Solution
The fourth proportional to 124,751.80, 172,157.70 and 68,161.96 is: 94,063.62
Step by Step Solution
- Step 1: Write the proportion equation
124,751.80 : 172,157.70 = 68,161.96 : x - Step 2: Convert to fraction form
124,751.80/172,157.70 = 68,161.96/x - Step 3: Cross multiply
124,751.80x = 172,157.70 × 68,161.96 - Step 4: Simplify right side
124,751.80x = 11,734,606,261.09 - Step 5: Solve for x
x = 11,734,606,261.09/124,751.80 - Step 6: Final answer
x = 94,063.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.